Jo‐Ann I. Sheppard

4.8k citations

58 papers · 3.0k indexed · 1 hit paper · h-index 25

Surgery top 1%
Internal Medicine top 0.2%
Emergency Medicine top 0.2%
Hematology top 0.5%
Cardiology and Cardiovascular Medicine top 5%

Co-authors: Theodore E. Warkentin John G. Kelton Jane C. Moore Peter Horsewood Christopher Sigouin Andreas Greinacher Thomas Kohlmann Richard J. Cook
Topics: Heparin-Induced Thrombocytopenia and Thrombosis (44 papers)Platelet Disorders and Treatments (33 papers)Intramuscular injections and effects (23 papers)
Cited by: Internal Medicine Emergency Medicine Hematology
Journals: Blood Biomaterials CHEST Journal
Partner nations: Canada United States Germany

In The Last Decade

Jo‐Ann I. Sheppard

58 papers receiving 2.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Impact of the patient population on the risk for heparin-induced thrombocytopenia

2000 646 citations Theodore E. Warkentin, Jo‐Ann I. Sheppard et al. Blood profile →

Peers

Countries citing papers authored by Jo‐Ann I. Sheppard

Since Specialization

Citations

This map shows the geographic impact of Jo‐Ann I. Sheppard's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jo‐Ann I. Sheppard with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jo‐Ann I. Sheppard more than expected).

Fields of papers citing papers by Jo‐Ann I. Sheppard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jo‐Ann I. Sheppard. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jo‐Ann I. Sheppard. The network helps show where Jo‐Ann I. Sheppard may publish in the future.

Co-authorship network of co-authors of Jo‐Ann I. Sheppard

This figure shows the co-authorship network connecting the top 25 collaborators of Jo‐Ann I. Sheppard. A scholar is included among the top collaborators of Jo‐Ann I. Sheppard based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jo‐Ann I. Sheppard. Jo‐Ann I. Sheppard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	High-dose intravenous immunoglobulin G and usual heparin anticoagulation for urgent cardiac surgery in a patient with severe autoimmune heparin-induced thrombocytopenia 2024 ·Journal of Thrombosis and Haemostasis ·(unknown),William Geerts,Jo‐Ann I. Sheppard,Cameron B. Guest,G Cohen,(unknown),Ishac Nazy,Donald M. Arnold	1
2	Investigation of anti-PF4 versus anti-PF4/heparin reactivity using fluid-phase enzyme immunoassay for 4 anti-PF4 disorders: classic heparin-induced thrombocytopenia (HIT), autoimmune HIT, vaccine-induced immune thrombotic thrombocytopenia, and spontaneous HIT 2023 ·Journal of Thrombosis and Haemostasis ·Theodore E. Warkentin,Donald M. Arnold,Jo‐Ann I. Sheppard,Jane C. Moore,John G. Kelton,Ishac Nazy	18
3	Temporal presentations of heparin‐induced thrombocytopenia following cardiac surgery: A single‐center, retrospective cohort study 2022 ·Journal of Thrombosis and Haemostasis ·Theodore E. Warkentin,Jo‐Ann I. Sheppard,Richard Whitlock	11
4	High‐dose IVIG plus cangrelor platelet “anesthesia” during urgent heparin‐CPB in a patient with recent SRA‐negative HIT‐thrombosis with persisting platelet‐activating antibodies 2020 ·Research and Practice in Thrombosis and Haemostasis ·Andreas Koster,Ishac Nazy,Ingvild Birschmann,James W. Smith,Jo‐Ann I. Sheppard,Theodore E. Warkentin	15
5	Combination of two complementary automated rapid assays for diagnosis of heparin‐induced thrombocytopenia (HIT) 2020 ·Journal of Thrombosis and Haemostasis ·Theodore E. Warkentin,Jo‐Ann I. Sheppard,James W. Smith,Na Li,Jane C. Moore,Donald M. Arnold,Ishac Nazy	24
6	High‐dose intravenous immunoglobulin to treat spontaneous heparin‐induced thrombocytopenia syndrome 2019 ·Journal of Thrombosis and Haemostasis ·(unknown),Salik Nazir,Jo‐Ann I. Sheppard,D Forman,Theodore E. Warkentin	38
7	Apixaban for treatment of confirmed heparin-induced thrombocytopenia: a case report and review of literature 2017 ·Experimental Hematology and Oncology ·(unknown),(unknown),(unknown),(unknown),(unknown),Theodore E. Warkentin,Jo‐Ann I. Sheppard,Ishmael Jaiyesimi	10
8	Platelet count recovery and seroreversion in immune HIT despite continuation of heparin: further observations and literature review 2017 ·Thrombosis and Haemostasis ·Jo‐Ann I. Sheppard,Theodore E. Warkentin,Andrew W. Shih	8
9	The Role for Optical Density in Heparin-Induced Thrombocytopenia 2015 ·CHEST Journal ·Chee M. Chan,Christian Woods,Theodore E. Warkentin,Jo‐Ann I. Sheppard,Andrew F. Shorr	37
10	Serological investigation of patients with a previous history of heparin-induced thrombocytopenia who are reexposed to heparin 2014 ·Blood ·Theodore E. Warkentin,Jo‐Ann I. Sheppard	62
11	Development of the microsporidian parasite, Loma salmonae, in a rainbow trout gill epithelial cell line (RTG-1): evidence of xenoma development in vitro 2014 ·Parasitology ·Sarah H. McConnachie,Jo‐Ann I. Sheppard,Glenda M. Wright,David J. Speare	7
12	Heparin-Induced Thrombocytopenia in Medical Surgical Critical Illness 2013 ·CHEST Journal ·Theodore E. Warkentin,Jo‐Ann I. Sheppard,Diane Heels‐Ansdell,John C. Marshall,Lauralyn McIntyre,Marcelo Rocha,Sangeeta Mehta,Andrew R. Davies,Andrew D. Bersten,Tim Crozier,David Ernest,Nicholas E. Vlahakis,Richard Hall,Gordon Wood,Germain Poirier,Mark Crowther,(unknown)	42
13	Prospective multicentre cohort study of heparin‐induced thrombocytopenia in acute ischaemic stroke patients 2011 ·British Journal of Haematology ·Hiroyuki Kawano,Haruko Yamamoto,Shigeki Miyata,(unknown),Teruyuki Hirano,(unknown),(unknown),Jo‐Ann I. Sheppard,Theodore E. Warkentin,Akiko Kada,Shoichiro Sato,Sadahisa Okamoto,Kazuyuki Nagatsuka,Hiroaki Naritomi,Ḱazunori Toyoda,Makoto Uchino,Kazuo Minematsu	7
14	Fondaparinux treatment of acute heparin‐induced thrombocytopenia confirmed by the serotonin‐release assay: a 30‐month, 16‐patient case series 2011 ·Journal of Thrombosis and Haemostasis ·Theodore E. Warkentin,Menaka Pai,Jo‐Ann I. Sheppard,Sam Schulman,Alex C. Spyropoulos,John W. Eikelboom	88
15	Heparin‐induced thrombocytopenia: towards standardization of platelet factor 4/heparin antigen tests 2010 ·Journal of Thrombosis and Haemostasis ·Andreas Greinacher,Till Ittermann,(unknown),Karina Althaus,B Fürll,Sixten Selleng,Norbert Lübenow,Sebastian Schellong,Jo‐Ann I. Sheppard,Theodore E. Warkentin	63
16	Testing for Heparin-Induced Thrombocytopenia Antibodies 2006 ·Transfusion Medicine Reviews ·Theodore E. Warkentin,Jo‐Ann I. Sheppard	79
17	Laboratory testing for the antibodies that cause heparin-induced thrombocytopenia: How much class do we need? 2005 ·Journal of Laboratory and Clinical Medicine ·Theodore E. Warkentin,Jo‐Ann I. Sheppard,Jane C. Moore,Kathleen N. Moore,Christopher Sigouin,John G. Kelton	192
18	Adherent platelet morphology on adsorbed fibrinogen: Effects of protein incubation time and albumin addition 1994 ·Journal of Biomedical Materials Research ·Jo‐Ann I. Sheppard,W. Glenn McClung,I.A. Feuerstein	40
19	Experimental bovine trypanosomiasis. Changes in serum immunoglobulins, complement and complement components in infected animals. 1978 ·PubMed ·K. Nielsen,Jo‐Ann I. Sheppard,(unknown),Ian R. Tizard	38
20	Complement activating factor(s) of Trypanosoma lewisi: some physiochemical characteristics of the active components. 1978 ·Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·K. Nielsen,Jo‐Ann I. Sheppard,Ian R. Tizard,(unknown)	6

About Jo‐Ann I. Sheppard

Jo‐Ann I. Sheppard is a scholar working on Internal Medicine, Hematology and Emergency Medicine, having authored 58 papers that have together received 3.0k indexed citations. Recurring topics across this work include Heparin-Induced Thrombocytopenia and Thrombosis (44 papers), Platelet Disorders and Treatments (33 papers) and Intramuscular injections and effects (23 papers). The work is most often cited by research in Internal Medicine (1.4k citations), Emergency Medicine (1.4k citations) and Hematology (1.3k citations). Jo‐Ann I. Sheppard has collaborated with scholars based in Canada, United States and Germany. Frequent co-authors include Theodore E. Warkentin, John G. Kelton, Jane C. Moore, Peter Horsewood, Christopher Sigouin, Andreas Greinacher, Thomas Kohlmann, Richard J. Cook, K. Nielsen and Kathleen N. Moore. Their work appears in journals such as Blood, Biomaterials and CHEST Journal.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact